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- // Copyright 2022 The Gitea Authors. All rights reserved.
- // SPDX-License-Identifier: MIT
-
- package cmd
-
- import (
- "fmt"
- "io"
- "strings"
- "testing"
-
- "code.gitea.io/gitea/models/unittest"
- "code.gitea.io/gitea/modules/test"
-
- "github.com/stretchr/testify/assert"
- "github.com/urfave/cli"
- )
-
- func TestMain(m *testing.M) {
- unittest.MainTest(m, &unittest.TestOptions{
- GiteaRootPath: "..",
- })
- }
-
- func newTestApp(testCmdAction func(ctx *cli.Context) error) *cli.App {
- app := cli.NewApp()
- app.HelpName = "gitea"
- testCmd := cli.Command{Name: "test-cmd", Action: testCmdAction}
- app.Commands = append(app.Commands, testCmd)
- return app
- }
-
- type runResult struct {
- Stdout string
- Stderr string
- ExitCode int
- }
-
- func runTestApp(app *cli.App, args ...string) (runResult, error) {
- outBuf := new(strings.Builder)
- errBuf := new(strings.Builder)
- app.Writer = outBuf
- app.ErrWriter = errBuf
- exitCode := -1
- defer test.MockVariableValue(&cli.ErrWriter, app.ErrWriter)()
- defer test.MockVariableValue(&cli.OsExiter, func(code int) {
- if exitCode == -1 {
- exitCode = code // save the exit code once and then reset the writer (to simulate the exit)
- app.Writer, app.ErrWriter, cli.ErrWriter = io.Discard, io.Discard, io.Discard
- }
- })()
- err := RunMainApp(app, args...)
- return runResult{outBuf.String(), errBuf.String(), exitCode}, err
- }
-
- func TestCliCmdError(t *testing.T) {
- app := newTestApp(func(ctx *cli.Context) error { return fmt.Errorf("normal error") })
- r, err := runTestApp(app, "./gitea", "test-cmd")
- assert.Error(t, err)
- assert.Equal(t, 1, r.ExitCode)
- assert.Equal(t, "", r.Stdout)
- assert.Equal(t, "Command error: normal error\n", r.Stderr)
-
- app = newTestApp(func(ctx *cli.Context) error { return cli.NewExitError("exit error", 2) })
- r, err = runTestApp(app, "./gitea", "test-cmd")
- assert.Error(t, err)
- assert.Equal(t, 2, r.ExitCode)
- assert.Equal(t, "", r.Stdout)
- assert.Equal(t, "exit error\n", r.Stderr)
-
- app = newTestApp(func(ctx *cli.Context) error { return nil })
- r, err = runTestApp(app, "./gitea", "test-cmd", "--no-such")
- assert.Error(t, err)
- assert.Equal(t, 1, r.ExitCode)
- assert.EqualValues(t, "Incorrect Usage: flag provided but not defined: -no-such\n\nNAME:\n gitea test-cmd - \n\nUSAGE:\n gitea test-cmd [arguments...]\n", r.Stdout)
- assert.Equal(t, "", r.Stderr) // the cli package's strange behavior, the error message is not in stderr ....
-
- app = newTestApp(func(ctx *cli.Context) error { return nil })
- r, err = runTestApp(app, "./gitea", "test-cmd")
- assert.NoError(t, err)
- assert.Equal(t, -1, r.ExitCode) // the cli.OsExiter is not called
- assert.Equal(t, "", r.Stdout)
- assert.Equal(t, "", r.Stderr)
- }
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